Die and Clock
It’s mathemagic o’clock! Throw the die and I’ll guess what you rolled.
Choose any number between 1 and 20, move around the clock and I’ll guess your die’s value. Is there a way to always guess right?
A secret arithmetic mean? An introduction to moduli? This trick focuses on mathematical reasoning. The context might look complicated, but the solution is within everyone’s reach. So, get to work!
- This trick is simple to perform and can easily be done with the whole class using the corresponding GeoGebra.
- Planning notes